Acknowledgments: The authors thank Kenneth Wells, MD, MPH, for feedback on drafts of the manuscript. They also thank leaders from the community agency partners, Lorie Van Tilburg, Roger Bailey, and Tom Pamilla, and caregiver community representatives Margo Fox Picou and Thomas L. Gillette for collaboration and support. They also acknowledge the collaboration and contributions of clinical and support staff and providers at all participating study sites: Kaiser Permanente San Diego, Scripps Clinic, University of California, San Diego HealthCare, Alzheimer's Association–San Diego Chapter, Meals on Wheels–Greater San Diego, and Southern Caregiver Resource Center.

Grant Support: This study was supported by the California HealthCare Foundation (99-3020), the State of California, Department of Aging (IG-0001-22), the State of California, Department of Health Services, Alzheimer's Disease Education Initiative (00-91316), and the Archstone Foundation (00-04-37), as well as the State of California, Department of Health Services (contract 013608-001) for the University of California, Los Angeles Alzheimer's Disease Research Center.